JavaBean introspection and BeanInfo

Java's BeanInfo is rarely used at work. When I was studying the spring source code, I found that a genus called "spring.beaninfo.ignore" will be set when SpringBoot starts. This configuration can only be found on the Internet, which means whether to skip the search of java BeanInfo and find no other information, but what is BeanInfo? ...

Posted by cyclefiend2000 on Tue, 07 Dec 2021 00:00:32 -0800

The latest Flink series tutorials in 2021__ Flink advanced API

day04_Flink advanced APIToday's goalFlink's four cornerstonesFlink Window operationFlink Time - TimeFlink Watermark watermark mechanismState management of Flink - keyed state and operator stateFlink's four cornerstonesCheckpoint - checkpoint, distributed consistency, data loss resolution, fault recovery, data storage is the global state, persis ...

Posted by valentin on Tue, 07 Dec 2021 00:18:57 -0800

How to use webpack to optimize the development / production environment

HMR hot module replacement / module hot replacement Function: when a module changes, it will only update the module (not package all) to improve the speed Style file: you can use the HRM function because the style loader is implemented internally js file: no HRM by default html file: there is no HRM by defau lt, and the html file cannot be ...

Posted by PugJr on Tue, 07 Dec 2021 00:22:02 -0800

Microservice: analyze the source code. The health check of Nacos is so simple

prefaceWe mentioned the health examination of Nacos many times, such as< Micro service: the service is too straightforward, and Nacos hasn't responded yet. What should we do? >In the article, the health check is also customized and tuned. So, how is Nacos's health check and heartbeat mechanism realized? Can Nacos's health examination mech ...

Posted by Paul Moran on Tue, 07 Dec 2021 00:38:09 -0800

gRPC in java version 7: Registration discovery based on eureka

Links to the full series of "java version gRPC actual combat"Generate code with protoService publishing and invocationServer streamClient streamBidirectional flowThe client dynamically obtains the server addressRegistration discovery based on eurekaAbout eurekaWhen we develop the client application, the required server address is set ...

Posted by ashebrian on Tue, 07 Dec 2021 00:56:26 -0800

Data visualization in python application -- downloading data

prefaceā€ƒ we introduced the data generation methods through three articles, mainly including Installation of matplotlib,Application of random walk as well as Use pygal to simulate rolling dice . Next, this paper introduces the data - download data. As we all know, in data analysis and data visualization, data is the most fundamental. Analy ...

Posted by ketola on Tue, 07 Dec 2021 00:28:24 -0800